package com.zxs.firstspringboot;

import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.Arrays;

@SpringBootApplication
public class FirstSpringbootApplication {

    public static void main(String[] args) {
        SpringApplication.run(FirstSpringbootApplication.class, args);
    }

    @RestController
    static class HelloController {

        @RequestMapping("/")
        public String index() {
            return "Hello, Spring Boot!";
        }
    }

    @Bean
    public CommandLineRunner commandLineRunner(ApplicationContext ctx) {
        return args -> {

            System.out.println("由Spring Boot注册的所有Bean:");

            String[] beans = ctx.getBeanDefinitionNames();
            Arrays.sort(beans);
            for (String bean : beans) {
                System.out.println(bean);
            }

        };

    }

}
